/* ==========================================================================
   打砖块 · 页面样式
   ========================================================================== */

.game-shell { max-width: 1180px; margin: 0 auto; padding: 28px 24px 60px; }

.game-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: start;
}

.board-zone { min-width: 0; }

.status-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 18px;
  margin-bottom: 14px;
  font-size: 14.5px;
  min-height: 50px;
}

.led {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 5px 12px;
}

.led b { color: var(--accent); }

.status-text { color: var(--text); font-weight: 600; margin-left: auto; }

.board-wrap { display: flex; justify-content: center; }

#board {
  display: block;
  background: linear-gradient(160deg, #2b3040, #1d2230);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  cursor: none;
}

.hint-bar {
  text-align: center;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-faint);
}

.panel { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 84px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card.grow { flex: 1; }

.card-title { font-size: 14px; font-weight: 700; letter-spacing: 0.04em; color: var(--text-dim); margin-bottom: 16px; }

.field-note { font-size: 12px; color: var(--text-faint); margin-top: 8px; line-height: 1.6; }

.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

.overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(6, 8, 12, 0.7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: grid; place-items: center; opacity: 0; pointer-events: none; transition: opacity 0.25s;
}

.overlay.show { opacity: 1; pointer-events: auto; }

.dialog {
  width: min(420px, calc(100vw - 40px));
  background: linear-gradient(165deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-strong); border-radius: 22px; padding: 36px 32px 30px;
  text-align: center; box-shadow: 0 40px 90px -20px rgba(0, 0, 0, 0.8);
  transform: translateY(14px) scale(0.96); transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.3, 1.2);
}

.overlay.show .dialog { transform: translateY(0) scale(1); }

.dialog-icon { font-size: 52px; line-height: 1; margin-bottom: 14px; }
.dialog h2 { font-size: 24px; font-weight: 800; }
.dialog > p { color: var(--text-dim); font-size: 14.5px; margin-top: 8px; }
.dialog-btns { display: flex; gap: 12px; margin-top: 26px; justify-content: center; }
.dialog-btns .btn { min-width: 110px; }

.rules-body { text-align: left; margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.rules-body p { font-size: 13.5px; color: var(--text-dim); line-height: 1.7; }
.rules-body b { color: var(--text); }

.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 20px);
  background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--text);
  font-size: 14px; font-weight: 600; padding: 11px 22px; border-radius: 999px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5); opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s; z-index: 400;
}

.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 960px) {
  .game-layout { grid-template-columns: 1fr; }
  .panel { position: static; }
  .game-shell { padding: 20px 14px 48px; }
}